How can glass help solve a crime?
Fragments of glass from headlights at a hit-and-run scene can leave clues about the unknown vehicle. Also, glass fragments can help police determine which direction the first bullet was fired through the glass.
What is the importance of glass in criminal investigation?
Glass or glass fragments serve as physical evidence of a great value for the investigation of many offenses such as the burglary, arson, hit and run cases, shooting, and assault. A large variety of physical evidences is included under the term “Trace Evidence”.
How Can glass be used as evidence in a court case?
Glass – Glass can be used to gather evidence, for example collecting fingerprints or blood from a broken window; however, glass also has a place in the trace evidence section. Gathering glass fragments from a crime scene can be valuable in determining end-use or connecting people and objects to places.
What information can glass fractures provide?
Glass fracture examinations can provide information as to the direction of the breaking force and the sequence of multiple impacts. A physical match of two pieces of glass establishes that they came from the same source to the exclusion of all other sources.
What are the two types of glass fracture?
When a projectile i.e. a bullet or rock hits the glass, it will form two distinct types of fractures: Radial and Concentric. There is another terminology that is known as cone fracture, observed to be caused by a penetration of the high velocity projectile such as a bullet.
What are the causes of glass fracture?
There are many potential causes for spontaneous breakage of tempered glass. The most common is damage to the edges of glass as it is being pre-cut into panels, or nicks or chips to the edges that occur when the glass is being packaged, shipped, or installed onsite.
What happens if glass breaks in home?
“A glass breaking in your house means good luck is coming your way. If you break glass intentionally then it doesn’t work that way but if you accidentally break some glass that means evil is leaving your house and good luck is going to come.”
What is glass fracture all about?
When the tempered glass breaks it breaks into tiny cubes with no sharp edges. Tempered glass is used in the side and back windows of the car. Glass bends in response to any force that is exerted on anyone of its surfaces; when the limit of its elasticity is reached, the glass fractures.
What can make glass Evidence individual evidence?
Glass can be found as individual characteristic in cases where significant fitting of two glass fragments.